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Reception de deux CDC

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Samuel 2025-08-30 16:29:14 +02:00
parent 6f6340abe1
commit dcc3889845
1 changed files with 22 additions and 14 deletions
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32
main.c
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@ -6,40 +6,48 @@
#include "pico/stdlib.h" #include "pico/stdlib.h"
#include <stdio.h> #include <stdio.h>
#define NB_MORCEAUX 100
absolute_time_t envoie_nb_char(int nb_char); absolute_time_t envoie_nb_char(int nb_char);
void main(void) void main(void)
{ {
absolute_time_t measured_time_us; absolute_time_t measured_time_us;
absolute_time_t temps_moyen, temps_max; absolute_time_t temps_moyen, temps_max, temps_m[NB_MORCEAUX];
absolute_time_t current_time_us, start_time_us;
int nb_ech = 10; int nb_ech = 10;
int taille_morceau = 120;
stdio_init_all(); stdio_init_all();
while(1){ while(1){
temps_moyen = 0; temps_moyen = 0;
temps_max = 0; temps_max = 0;
for(int nb_char = 1; nb_char < 1000; nb_char+= 1){ for(int i = 1; i < NB_MORCEAUX; i++){
temps_moyen = 0; temps_moyen = 0;
temps_max = 0; temps_max = 0;
for(int ech=0; ech<nb_ech; ech ++){ start_time_us = get_absolute_time();
measured_time_us = envoie_nb_char(nb_char); temps_m[i] = envoie_nb_char(taille_morceau);
if(measured_time_us > temps_max){ current_time_us = get_absolute_time();
temps_max = measured_time_us; sleep_ms(1);
} }
temps_moyen += measured_time_us; for(int i = 1; i < NB_MORCEAUX; i++){
} printf(">temps:%d:%lld#us\n", i, temps_m[i]);
temps_moyen = temps_moyen / nb_ech;
printf(">temps:%d:%lld#us\n", nb_char, temps_moyen);
printf(">temps_max:%d:%lld#us\n", nb_char, temps_max);
sleep_ms(5);
} }
printf(">temps_d:%lld\n", current_time_us - start_time_us);
sleep_ms(50); sleep_ms(50);
} }
} }
absolute_time_t envoie_nb_char(int nb_char) { absolute_time_t envoie_nb_char(int nb_char) {
absolute_time_t current_time_us, start_time_us; absolute_time_t current_time_us, start_time_us;
int j=0;
char message[10000]; char message[10000];
for(int i=0; i<10000; i++){ for(int i=0; i<10000; i++){
/*j++;
if(j>25){
j=0;
}
message[i]= j + 'a';*/
message[i]= i%26 + 'a'; message[i]= i%26 + 'a';
} }
if (nb_char == 0){ if (nb_char == 0){